NOAA + NDBC buoys

US Water Temperatures

Today’s sea temperature for 3,066 coastal locations across the US, with what it means for swimming, surfing, and fishing. Free and always current.

Know before you go

Water temps, tides, and conditions worth knowing for your spots, plus the occasional PATHR update. No spam.

Sea temp, tides & weather, one app

Pathr pulls water temperature, tides, wind, and depth-aware routing onto official NOAA charts. Free to try on iOS.

Download on the App Store
Founding Crew

These tools are free because a tiny team built them.

Tide charts, marine forecasts, and fishing times, all free and ad-free. Founding members keep them coming and get a real vote on what we build next.

One time, no subscription. Founding pricing ends Aug 31.